521191

Comprehensive specifications and application details for: 521191 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: 521191. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
521191
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-516-1395
Item Name Code
13205
Federal Item Identification Guide
A045A0
Assigment Date
01/01/1963

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

1 hole antirotation/lubrication type and quantity, chamfered outside right corner corner shape, 0.7240 inches minimum and 0.7340 inches maximum body inside diameter, 0.9385 inches minimum and 0.9395 inches maximum body outside diameter, relief groove left flange body corner corner shape

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-516-1395 . Find dimensions, materials, tolerances, performance characteristics, etc.

Antirotation/Lubrication Type And Quantity
1 hole
Body Inside Diameter
0.7240 inches minimum and 0.7340 inches maximum
Body Outside Diameter
0.9385 inches minimum and 0.9395 inches maximum
Corner Shape
chamfered outside right corner
Corner Shape
relief groove left flange body corner
Corner Shape
square left flange outside right corner
Corner Shape
square outside left corner
Corner Shape
square inside left corner
Corner Shape
square inside right corner
Flange Outside Diameter
1.1100 inches minimum and 1.1300 inches maximum
Flange Width
0.1090 inches minimum and 0.1150 inches maximum
Hardness Rating
65.0 rockwell f nominal overall
Hole Diameter
0.1875 inches nominal first
Overall Length
0.9920 inches nominal
Material Document And Classification
sae assn std single material response overall
Material
copper alloy 937 overall
Style Designator
solid, external flange one end
Surface Finish
125.0 microinches left end surface of body and flange
Surface Finish
32.0 microinches outside diameter surface of body
Surface Finish
63.0 microinches inside diameter surface of body

Frequently Asked Questions

Find quick answers to common questions about bearing: 521191. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-516-1395?
The FSCG of the NSN 3120-00-516-1395 is 3120
Does the NSN 3120-00-516-1395 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997090
Does NSN 3120-00-516-1395 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 3120-00-516-1395 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-00-516-1395 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 3120-00-516-1395 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963

Price & Availability

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